| Barstow to Castrovillari | 6,478.82 mi (10,426.65 km) |
| Barstow to Catania | 6,570.07 mi (10,573.50 km) |
| Barstow to Catanzaro | 6,542.38 mi (10,528.95 km) |
| Barstow to Cattolica | 6,143.13 mi (9,886.40 km) |
| Barstow to Cava de' Tirreni | 6,382.35 mi (10,271.40 km) |
| Barstow to Cavallino | 6,513.22 mi (10,482.01 km) |
| Barstow to Cavarzere | 6,060.25 mi (9,753.03 km) |
| Barstow to Cave | 6,264.90 mi (10,082.39 km) |
| Barstow to Cavriago | 6,034.56 mi (9,711.68 km) |
| Barstow to Cavriglia | 6,127.40 mi (9,861.10 km) |
| Barstow to Cazzago San Martino | 5,972.28 mi (9,611.46 km) |
| Barstow to Ceccano | 6,291.30 mi (10,124.87 km) |
| Barstow to Cecina | 6,106.59 mi (9,827.61 km) |
| Barstow to Cefalu | 6,504.93 mi (10,468.68 km) |
| Barstow to Ceglie Messapico | 6,473.07 mi (10,417.39 km) |
