| Seymour to Cividale del Friuli | 4,736.85 mi (7,623.23 km) |
| Seymour to Civita Castellana | 4,845.14 mi (7,797.49 km) |
| Seymour to Civitanova Marche | 4,859.84 mi (7,821.15 km) |
| Seymour to Civitavecchia | 4,827.31 mi (7,768.80 km) |
| Seymour to Civitella in Val di Chiana | 4,772.17 mi (7,680.06 km) |
| Seymour to Clusone | 4,605.72 mi (7,412.19 km) |
| Seymour to Coccaglio | 4,618.79 mi (7,433.23 km) |
| Seymour to Codigoro | 4,733.46 mi (7,617.78 km) |
| Seymour to Codogno | 4,622.69 mi (7,439.50 km) |
| Seymour to Codroipo | 4,724.23 mi (7,602.92 km) |
| Seymour to Cogoleto | 4,607.57 mi (7,415.16 km) |
| Seymour to Colle di Val d'Elsa | 4,748.60 mi (7,642.14 km) |
| Seymour to Colle Salvetti | 4,713.85 mi (7,586.21 km) |
| Seymour to Collecchio | 4,659.08 mi (7,498.07 km) |
| Seymour to Colleferro | 4,893.03 mi (7,874.57 km) |
