| Rietberg to Caguas (Puerto Rico) | 4,575.87 mi (7,364.15 km) |
| Rietberg to Cahokia (Illinois) | 4,513.42 mi (7,263.64 km) |
| Rietberg to Calabasas (California) | 5,693.36 mi (9,162.58 km) |
| Rietberg to Caldwell (Idaho) | 5,073.77 mi (8,165.45 km) |
| Rietberg to Caledonia (Wisconsin) | 4,218.07 mi (6,788.33 km) |
| Rietberg to Calera (Alabama) | 4,663.70 mi (7,505.49 km) |
| Rietberg to Calexico (California) | 5,686.84 mi (9,152.09 km) |
| Rietberg to Calhoun (Georgia) | 4,524.13 mi (7,280.89 km) |
| Rietberg to California (Maryland) | 4,007.36 mi (6,449.23 km) |
| Rietberg to California City (California) | 5,609.66 mi (9,027.87 km) |
| Rietberg to Callaway (Florida) | 4,771.91 mi (7,679.64 km) |
| Rietberg to Calumet City (Illinois) | 4,264.85 mi (6,863.61 km) |
| Rietberg to Calverton (Maryland) | 3,989.12 mi (6,419.86 km) |
| Rietberg to Camano (Washington) | 4,946.69 mi (7,960.92 km) |
| Rietberg to Camarillo (California) | 5,698.53 mi (9,170.91 km) |
