| Mariehamn to Bumbesti-Jiu | 1,040.70 mi (1,674.85 km) |
| Mariehamn to Busteni | 1,040.65 mi (1,674.77 km) |
| Mariehamn to Buzau | 1,070.98 mi (1,723.57 km) |
| Mariehamn to Cajvana | 890.10 mi (1,432.48 km) |
| Mariehamn to Calafat | 1,120.49 mi (1,803.25 km) |
| Mariehamn to Calan | 1,000.41 mi (1,610.01 km) |
| Mariehamn to Calarasi | 1,140.80 mi (1,835.95 km) |
| Mariehamn to Campia Turzii | 949.95 mi (1,528.80 km) |
| Mariehamn to Campina | 1,061.63 mi (1,708.53 km) |
| Mariehamn to Campulung | 1,046.18 mi (1,683.66 km) |
| Mariehamn to Campulung Moldovenesc | 897.38 mi (1,444.20 km) |
| Mariehamn to Caracal | 1,119.78 mi (1,802.12 km) |
| Mariehamn to Caransebes | 1,018.54 mi (1,639.19 km) |
| Mariehamn to Carei | 863.89 mi (1,390.29 km) |
| Mariehamn to Cernavoda | 1,139.73 mi (1,834.22 km) |
