| Johnstown to Cividale del Friuli | 4,394.52 mi (7,072.29 km) |
| Johnstown to Civita Castellana | 4,491.95 mi (7,229.10 km) |
| Johnstown to Civitanova Marche | 4,510.61 mi (7,259.12 km) |
| Johnstown to Civitavecchia | 4,472.98 mi (7,198.56 km) |
| Johnstown to Civitella in Val di Chiana | 4,420.84 mi (7,114.65 km) |
| Johnstown to Clusone | 4,258.66 mi (6,853.65 km) |
| Johnstown to Coccaglio | 4,270.92 mi (6,873.38 km) |
| Johnstown to Codigoro | 4,386.16 mi (7,058.84 km) |
| Johnstown to Codogno | 4,273.45 mi (6,877.45 km) |
| Johnstown to Codroipo | 4,380.96 mi (7,050.47 km) |
| Johnstown to Cogoleto | 4,255.21 mi (6,848.09 km) |
| Johnstown to Colle di Val d'Elsa | 4,396.57 mi (7,075.59 km) |
| Johnstown to Colle Salvetti | 4,361.57 mi (7,019.27 km) |
| Johnstown to Collecchio | 4,309.37 mi (6,935.25 km) |
| Johnstown to Colleferro | 4,539.26 mi (7,305.23 km) |
