| Kirkby to Carson (California) | 5,276.28 mi (8,491.35 km) |
| Kirkby to Carson City (Nevada) | 5,016.73 mi (8,073.64 km) |
| Kirkby to Carteret (New Jersey) | 3,325.44 mi (5,351.78 km) |
| Kirkby to Cartersville (Georgia) | 4,050.80 mi (6,519.13 km) |
| Kirkby to Carthage (Missouri) | 4,265.83 mi (6,865.18 km) |
| Kirkby to Cary (Illinois) | 3,790.24 mi (6,099.80 km) |
| Kirkby to Cary (North Carolina) | 3,733.58 mi (6,008.62 km) |
| Kirkby to Casa de Oro-Mount Helix (California) | 5,296.61 mi (8,524.08 km) |
| Kirkby to Casa Grande (Arizona) | 5,115.55 mi (8,232.68 km) |
| Kirkby to Casas Adobes (Arizona) | 5,121.49 mi (8,242.24 km) |
| Kirkby to Cascades (Virginia) | 3,521.36 mi (5,667.09 km) |
| Kirkby to Casper (Wyoming) | 4,392.22 mi (7,068.59 km) |
| Kirkby to Casselberry (Florida) | 4,190.32 mi (6,743.67 km) |
| Kirkby to Castaic (California) | 5,251.06 mi (8,450.76 km) |
| Kirkby to Castle Pines (Colorado) | 4,522.51 mi (7,278.28 km) |
