| Newcastle under Lyme to Caguas (Puerto Rico) | 4,135.97 mi (6,656.21 km) |
| Newcastle under Lyme to Cahokia (Illinois) | 4,077.80 mi (6,562.58 km) |
| Newcastle under Lyme to Calabasas (California) | 5,313.90 mi (8,551.89 km) |
| Newcastle under Lyme to Caldwell (Idaho) | 4,712.81 mi (7,584.54 km) |
| Newcastle under Lyme to Caledonia (Wisconsin) | 3,787.50 mi (6,095.40 km) |
| Newcastle under Lyme to Calera (Alabama) | 4,215.46 mi (6,784.12 km) |
| Newcastle under Lyme to Calexico (California) | 5,294.33 mi (8,520.40 km) |
| Newcastle under Lyme to Calhoun (Georgia) | 4,075.61 mi (6,559.06 km) |
| Newcastle under Lyme to California (Maryland) | 3,555.59 mi (5,722.17 km) |
| Newcastle under Lyme to California City (California) | 5,230.12 mi (8,417.07 km) |
| Newcastle under Lyme to Callaway (Florida) | 4,319.66 mi (6,951.83 km) |
| Newcastle under Lyme to Calumet City (Illinois) | 3,831.19 mi (6,165.71 km) |
| Newcastle under Lyme to Calverton (Maryland) | 3,538.55 mi (5,694.75 km) |
| Newcastle under Lyme to Camano (Washington) | 4,618.26 mi (7,432.37 km) |
| Newcastle under Lyme to Camarillo (California) | 5,320.43 mi (8,562.41 km) |
