| Union City to Cividale del Friuli | 6,027.61 mi (9,700.51 km) |
| Union City to Civita Castellana | 6,216.75 mi (10,004.89 km) |
| Union City to Civitanova Marche | 6,196.77 mi (9,972.74 km) |
| Union City to Civitavecchia | 6,210.13 mi (9,994.24 km) |
| Union City to Civitella in Val di Chiana | 6,133.10 mi (9,870.27 km) |
| Union City to Clusone | 5,943.96 mi (9,565.89 km) |
| Union City to Coccaglio | 5,962.62 mi (9,595.91 km) |
| Union City to Codigoro | 6,064.06 mi (9,759.15 km) |
| Union City to Codogno | 5,977.25 mi (9,619.45 km) |
| Union City to Codroipo | 6,023.32 mi (9,693.60 km) |
| Union City to Cogoleto | 5,988.93 mi (9,638.26 km) |
| Union City to Colle di Val d'Elsa | 6,117.19 mi (9,844.67 km) |
| Union City to Colle Salvetti | 6,087.01 mi (9,796.10 km) |
| Union City to Collecchio | 6,014.88 mi (9,680.01 km) |
| Union City to Colleferro | 6,266.42 mi (10,084.82 km) |
