| Killingworth to Casamassima | 1,286.65 mi (2,070.66 km) |
| Killingworth to Casandrino | 1,211.88 mi (1,950.34 km) |
| Killingworth to Casapulla | 1,204.91 mi (1,939.12 km) |
| Killingworth to Casarano | 1,377.03 mi (2,216.12 km) |
| Killingworth to Casatenovo | 801.34 mi (1,289.64 km) |
| Killingworth to Casciana Terme | 962.88 mi (1,549.60 km) |
| Killingworth to Cascina | 951.87 mi (1,531.88 km) |
| Killingworth to Caselle Torinese | 792.14 mi (1,274.83 km) |
| Killingworth to Caserta | 1,206.27 mi (1,941.31 km) |
| Killingworth to Casier | 887.66 mi (1,428.55 km) |
| Killingworth to Casorate Primo | 816.27 mi (1,313.66 km) |
| Killingworth to Casoria | 1,215.20 mi (1,955.68 km) |
| Killingworth to Cassano al Ionio | 1,336.62 mi (2,151.08 km) |
| Killingworth to Cassano d'Adda | 816.28 mi (1,313.68 km) |
| Killingworth to Cassano delle Murge | 1,286.01 mi (2,069.63 km) |
