| Owings Mills to Cernavoda | 5,002.53 mi (8,050.80 km) |
| Owings Mills to Chitila | 4,915.35 mi (7,910.49 km) |
| Owings Mills to Cisnadie | 4,794.07 mi (7,715.30 km) |
| Owings Mills to Cluj-Napoca | 4,729.68 mi (7,611.68 km) |
| Owings Mills to Codlea | 4,845.05 mi (7,797.35 km) |
| Owings Mills to Comanesti | 4,853.37 mi (7,810.75 km) |
| Owings Mills to Comarnic | 4,870.89 mi (7,838.95 km) |
| Owings Mills to Constanta | 5,033.12 mi (8,100.02 km) |
| Owings Mills to Corabia | 4,887.23 mi (7,865.24 km) |
| Owings Mills to Costesti | 4,865.30 mi (7,829.94 km) |
| Owings Mills to Covasna | 4,867.36 mi (7,833.27 km) |
| Owings Mills to Craiova | 4,836.85 mi (7,784.16 km) |
| Owings Mills to Cristuru Secuiesc | 4,804.88 mi (7,732.70 km) |
| Owings Mills to Cugir | 4,757.97 mi (7,657.21 km) |
| Owings Mills to Cumpana | 5,032.45 mi (8,098.95 km) |
