| Keystone to Brezovica | 5,158.84 mi (8,302.35 km) |
| Keystone to Cankova | 5,207.24 mi (8,380.24 km) |
| Keystone to Celje | 5,189.40 mi (8,351.53 km) |
| Keystone to Cerklje na Gorenjskem | 5,155.17 mi (8,296.44 km) |
| Keystone to Cerknica | 5,162.75 mi (8,308.64 km) |
| Keystone to Cerkno | 5,137.17 mi (8,267.48 km) |
| Keystone to Cerkvenjak | 5,208.62 mi (8,382.47 km) |
| Keystone to Cirkulane | 5,217.49 mi (8,396.73 km) |
| Keystone to Crensovci | 5,223.36 mi (8,406.19 km) |
| Keystone to Crna na Koroskem | 5,164.46 mi (8,311.40 km) |
| Keystone to Crnomelj | 5,205.66 mi (8,377.71 km) |
| Keystone to Destrnik | 5,208.14 mi (8,381.69 km) |
| Keystone to Divaca | 5,149.06 mi (8,286.62 km) |
| Keystone to Dobje | 5,197.81 mi (8,365.07 km) |
| Keystone to Dobrna | 5,184.73 mi (8,344.01 km) |
