| Tulsa to Collegno | 5,076.15 mi (8,169.27 km) |
| Tulsa to Cologno al Serio | 5,139.91 mi (8,271.89 km) |
| Tulsa to Cologno Monzese | 5,125.63 mi (8,248.90 km) |
| Tulsa to Colorno | 5,193.31 mi (8,357.83 km) |
| Tulsa to Comacchio | 5,273.30 mi (8,486.56 km) |
| Tulsa to Comiso | 5,709.01 mi (9,187.76 km) |
| Tulsa to Como | 5,106.72 mi (8,218.47 km) |
| Tulsa to Concordia Sagittaria | 5,253.63 mi (8,454.91 km) |
| Tulsa to Concorezzo | 5,125.41 mi (8,248.55 km) |
| Tulsa to Conegliano | 5,227.53 mi (8,412.89 km) |
| Tulsa to Conselice | 5,267.43 mi (8,477.11 km) |
| Tulsa to Conselve | 5,238.54 mi (8,430.62 km) |
| Tulsa to Conversano | 5,630.16 mi (9,060.87 km) |
| Tulsa to Copertino | 5,698.88 mi (9,171.45 km) |
| Tulsa to Copparo | 5,251.27 mi (8,451.11 km) |
