| Kouvola to Oestrich-Winkel | 1,042.32 mi (1,677.46 km) |
| Kouvola to Offenburg | 1,130.54 mi (1,819.42 km) |
| Kouvola to Oftersheim | 1,062.28 mi (1,709.57 km) |
| Kouvola to Ohrdruf | 925.16 mi (1,488.89 km) |
| Kouvola to Ohringen | 1,048.92 mi (1,688.07 km) |
| Kouvola to Olbernhau | 872.20 mi (1,403.67 km) |
| Kouvola to Olching | 1,065.08 mi (1,714.09 km) |
| Kouvola to Oldenburg | 871.74 mi (1,402.92 km) |
| Kouvola to Oldenburg in Holstein | 737.97 mi (1,187.64 km) |
| Kouvola to Olfen | 967.48 mi (1,557.01 km) |
| Kouvola to Olpe | 991.59 mi (1,595.81 km) |
| Kouvola to Olsberg | 955.92 mi (1,538.40 km) |
| Kouvola to Oranienburg | 754.59 mi (1,214.40 km) |
| Kouvola to Ortenberg | 994.73 mi (1,600.87 km) |
| Kouvola to Oschatz | 840.26 mi (1,352.26 km) |
