| Tulsa to Cortona | 5,326.06 mi (8,571.47 km) |
| Tulsa to Cosenza | 5,671.38 mi (9,127.21 km) |
| Tulsa to Cossato | 5,080.34 mi (8,176.01 km) |
| Tulsa to Costa Volpino | 5,145.35 mi (8,280.65 km) |
| Tulsa to Creazzo | 5,211.17 mi (8,386.57 km) |
| Tulsa to Crema | 5,148.09 mi (8,285.04 km) |
| Tulsa to Cremona | 5,171.35 mi (8,322.49 km) |
| Tulsa to Crevalcore | 5,232.34 mi (8,420.63 km) |
| Tulsa to Crispiano | 5,651.47 mi (9,095.17 km) |
| Tulsa to Crosia | 5,680.06 mi (9,141.17 km) |
| Tulsa to Crotone | 5,716.16 mi (9,199.27 km) |
| Tulsa to Cuneo | 5,102.80 mi (8,212.17 km) |
| Tulsa to Cuorgne | 5,066.87 mi (8,154.35 km) |
| Tulsa to Cusano Milanino | 5,121.04 mi (8,241.51 km) |
| Tulsa to Cutro | 5,713.07 mi (9,194.30 km) |
