| Trabzon to Cividale del Friuli | 1,355.78 mi (2,181.91 km) |
| Trabzon to Civita Castellana | 1,406.84 mi (2,264.09 km) |
| Trabzon to Civitanova Marche | 1,335.20 mi (2,148.79 km) |
| Trabzon to Civitavecchia | 1,439.31 mi (2,316.35 km) |
| Trabzon to Civitella in Val di Chiana | 1,436.04 mi (2,311.08 km) |
| Trabzon to Clusone | 1,521.61 mi (2,448.80 km) |
| Trabzon to Coccaglio | 1,519.60 mi (2,445.56 km) |
| Trabzon to Codigoro | 1,414.48 mi (2,276.39 km) |
| Trabzon to Codogno | 1,532.53 mi (2,466.36 km) |
| Trabzon to Codroipo | 1,376.61 mi (2,215.45 km) |
| Trabzon to Cogoleto | 1,585.56 mi (2,551.70 km) |
| Trabzon to Colle di Val d'Elsa | 1,465.34 mi (2,358.23 km) |
| Trabzon to Colle Salvetti | 1,497.06 mi (2,409.28 km) |
| Trabzon to Collecchio | 1,507.62 mi (2,426.28 km) |
| Trabzon to Colleferro | 1,380.11 mi (2,221.07 km) |
