| Tulsa to Cividale del Friuli | 5,261.46 mi (8,467.50 km) |
| Tulsa to Civita Castellana | 5,384.69 mi (8,665.83 km) |
| Tulsa to Civitanova Marche | 5,393.75 mi (8,680.40 km) |
| Tulsa to Civitavecchia | 5,368.54 mi (8,639.82 km) |
| Tulsa to Civitella in Val di Chiana | 5,309.31 mi (8,544.51 km) |
| Tulsa to Clusone | 5,137.41 mi (8,267.87 km) |
| Tulsa to Coccaglio | 5,151.59 mi (8,290.68 km) |
| Tulsa to Codigoro | 5,265.08 mi (8,473.33 km) |
| Tulsa to Codogno | 5,157.37 mi (8,299.99 km) |
| Tulsa to Codroipo | 5,250.20 mi (8,449.38 km) |
| Tulsa to Cogoleto | 5,146.64 mi (8,282.72 km) |
| Tulsa to Colle di Val d'Elsa | 5,286.81 mi (8,508.30 km) |
| Tulsa to Colle Salvetti | 5,252.51 mi (8,453.10 km) |
| Tulsa to Collecchio | 5,194.32 mi (8,359.45 km) |
| Tulsa to Colleferro | 5,433.29 mi (8,744.03 km) |
