| Fort Collins to Brezovica | 5,388.52 mi (8,671.99 km) |
| Fort Collins to Cankova | 5,403.87 mi (8,696.68 km) |
| Fort Collins to Celje | 5,404.92 mi (8,698.38 km) |
| Fort Collins to Cerklje na Gorenjskem | 5,379.10 mi (8,656.83 km) |
| Fort Collins to Cerknica | 5,398.00 mi (8,687.24 km) |
| Fort Collins to Cerkno | 5,369.20 mi (8,640.90 km) |
| Fort Collins to Cerkvenjak | 5,409.41 mi (8,705.61 km) |
| Fort Collins to Cirkulane | 5,422.51 mi (8,726.69 km) |
| Fort Collins to Crensovci | 5,420.02 mi (8,722.68 km) |
| Fort Collins to Crna na Koroskem | 5,379.54 mi (8,657.53 km) |
| Fort Collins to Crnomelj | 5,436.50 mi (8,749.19 km) |
| Fort Collins to Destrnik | 5,411.23 mi (8,708.53 km) |
| Fort Collins to Divaca | 5,391.13 mi (8,676.19 km) |
| Fort Collins to Dobje | 5,414.06 mi (8,713.09 km) |
| Fort Collins to Dobrna | 5,398.45 mi (8,687.97 km) |
