| Niksar to Cividale del Friuli | 1,237.10 mi (1,990.92 km) |
| Niksar to Civita Castellana | 1,272.99 mi (2,048.68 km) |
| Niksar to Civitanova Marche | 1,204.69 mi (1,938.76 km) |
| Niksar to Civitavecchia | 1,304.96 mi (2,100.14 km) |
| Niksar to Civitella in Val di Chiana | 1,306.05 mi (2,101.89 km) |
| Niksar to Clusone | 1,400.96 mi (2,254.62 km) |
| Niksar to Coccaglio | 1,397.66 mi (2,249.32 km) |
| Niksar to Codigoro | 1,289.90 mi (2,075.90 km) |
| Niksar to Codogno | 1,408.98 mi (2,267.54 km) |
| Niksar to Codroipo | 1,257.12 mi (2,023.15 km) |
| Niksar to Cogoleto | 1,459.17 mi (2,348.30 km) |
| Niksar to Colle di Val d'Elsa | 1,335.34 mi (2,149.02 km) |
| Niksar to Colle Salvetti | 1,367.81 mi (2,201.27 km) |
| Niksar to Collecchio | 1,382.54 mi (2,224.99 km) |
| Niksar to Colleferro | 1,244.38 mi (2,002.64 km) |
