| Boerne to Cividale del Friuli | 5,698.67 mi (9,171.13 km) |
| Boerne to Civita Castellana | 5,810.82 mi (9,351.61 km) |
| Boerne to Civitanova Marche | 5,824.48 mi (9,373.59 km) |
| Boerne to Civitavecchia | 5,793.19 mi (9,323.24 km) |
| Boerne to Civitella in Val di Chiana | 5,737.45 mi (9,233.53 km) |
| Boerne to Clusone | 5,569.71 mi (8,963.59 km) |
| Boerne to Coccaglio | 5,583.08 mi (8,985.10 km) |
| Boerne to Codigoro | 5,697.49 mi (9,169.22 km) |
| Boerne to Codogno | 5,587.43 mi (8,992.10 km) |
| Boerne to Codroipo | 5,686.52 mi (9,151.58 km) |
| Boerne to Cogoleto | 5,573.13 mi (8,969.09 km) |
| Boerne to Colle di Val d'Elsa | 5,714.06 mi (9,195.90 km) |
| Boerne to Colle Salvetti | 5,679.38 mi (9,140.08 km) |
| Boerne to Collecchio | 5,623.96 mi (9,050.89 km) |
| Boerne to Colleferro | 5,858.81 mi (9,428.85 km) |
