| Kouvola to Oria | 1,459.05 mi (2,348.11 km) |
| Kouvola to Oristano | 1,640.97 mi (2,640.89 km) |
| Kouvola to Orta Nova | 1,427.18 mi (2,296.82 km) |
| Kouvola to Orte | 1,405.01 mi (2,261.15 km) |
| Kouvola to Ortona | 1,378.78 mi (2,218.93 km) |
| Kouvola to Orvieto | 1,393.25 mi (2,242.21 km) |
| Kouvola to Orzinuovi | 1,266.74 mi (2,038.63 km) |
| Kouvola to Osimo | 1,319.58 mi (2,123.65 km) |
| Kouvola to Ospitaletto | 1,254.11 mi (2,018.30 km) |
| Kouvola to Ostuni | 1,443.87 mi (2,323.68 km) |
| Kouvola to Ottaviano | 1,476.69 mi (2,376.50 km) |
| Kouvola to Ovada | 1,341.98 mi (2,159.71 km) |
| Kouvola to Ozieri | 1,589.33 mi (2,557.77 km) |
| Kouvola to Paceco | 1,695.85 mi (2,729.21 km) |
| Kouvola to Pachino | 1,744.27 mi (2,807.13 km) |
