| Holbrook to Cernavoda | 4,792.97 mi (7,713.54 km) |
| Holbrook to Chitila | 4,704.93 mi (7,571.86 km) |
| Holbrook to Cisnadie | 4,583.89 mi (7,377.06 km) |
| Holbrook to Cluj-Napoca | 4,520.24 mi (7,274.62 km) |
| Holbrook to Codlea | 4,635.46 mi (7,460.05 km) |
| Holbrook to Comanesti | 4,644.99 mi (7,475.40 km) |
| Holbrook to Comarnic | 4,660.99 mi (7,501.13 km) |
| Holbrook to Constanta | 4,823.70 mi (7,763.00 km) |
| Holbrook to Corabia | 4,675.52 mi (7,524.52 km) |
| Holbrook to Costesti | 4,654.51 mi (7,490.71 km) |
| Holbrook to Covasna | 4,658.28 mi (7,496.78 km) |
| Holbrook to Craiova | 4,625.31 mi (7,443.71 km) |
| Holbrook to Cristuru Secuiesc | 4,595.66 mi (7,396.01 km) |
| Holbrook to Cugir | 4,547.55 mi (7,318.58 km) |
| Holbrook to Cumpana | 4,822.95 mi (7,761.79 km) |
