| Renton to Cortona | 5,573.03 mi (8,968.93 km) |
| Renton to Cosenza | 5,919.41 mi (9,526.37 km) |
| Renton to Cossato | 5,340.78 mi (8,595.15 km) |
| Renton to Costa Volpino | 5,373.68 mi (8,648.10 km) |
| Renton to Creazzo | 5,425.16 mi (8,730.95 km) |
| Renton to Crema | 5,390.88 mi (8,675.78 km) |
| Renton to Cremona | 5,413.45 mi (8,712.11 km) |
| Renton to Crevalcore | 5,465.91 mi (8,796.53 km) |
| Renton to Crispiano | 5,862.20 mi (9,434.30 km) |
| Renton to Crosia | 5,915.26 mi (9,519.70 km) |
| Renton to Crotone | 5,953.50 mi (9,581.23 km) |
| Renton to Cuneo | 5,394.18 mi (8,681.09 km) |
| Renton to Cuorgne | 5,337.88 mi (8,590.48 km) |
| Renton to Cusano Milanino | 5,367.51 mi (8,638.17 km) |
| Renton to Cutro | 5,953.44 mi (9,581.14 km) |
