| Johnston to Castrovillari | 5,297.86 mi (8,526.08 km) |
| Johnston to Catania | 5,365.27 mi (8,634.56 km) |
| Johnston to Catanzaro | 5,357.23 mi (8,621.63 km) |
| Johnston to Cattolica | 4,972.75 mi (8,002.87 km) |
| Johnston to Cava de' Tirreni | 5,198.46 mi (8,366.11 km) |
| Johnston to Cavallino | 5,349.42 mi (8,609.05 km) |
| Johnston to Cavarzere | 4,895.62 mi (7,878.74 km) |
| Johnston to Cave | 5,078.66 mi (8,173.32 km) |
| Johnston to Cavriago | 4,857.14 mi (7,816.82 km) |
| Johnston to Cavriglia | 4,945.90 mi (7,959.65 km) |
| Johnston to Cazzago San Martino | 4,799.31 mi (7,723.75 km) |
| Johnston to Ceccano | 5,105.56 mi (8,216.61 km) |
| Johnston to Cecina | 4,917.87 mi (7,914.55 km) |
| Johnston to Cefalu | 5,297.33 mi (8,525.23 km) |
| Johnston to Ceglie Messapico | 5,307.05 mi (8,540.87 km) |
