| Espoo to Navodari | 1,109.71 mi (1,785.90 km) |
| Espoo to Negresti-Oas | 853.77 mi (1,374.02 km) |
| Espoo to Nehoiu | 1,028.44 mi (1,655.11 km) |
| Espoo to Ocna Mures | 955.11 mi (1,537.11 km) |
| Espoo to Odobesti | 1,002.49 mi (1,613.35 km) |
| Espoo to Odorheiu Secuiesc | 960.18 mi (1,545.27 km) |
| Espoo to Oltenita | 1,116.75 mi (1,797.23 km) |
| Espoo to Onesti | 967.48 mi (1,557.00 km) |
| Espoo to Oradea | 914.12 mi (1,471.13 km) |
| Espoo to Orastie | 993.66 mi (1,599.14 km) |
| Espoo to Oravita | 1,054.94 mi (1,697.75 km) |
| Espoo to Orsova | 1,073.65 mi (1,727.87 km) |
| Espoo to Otelu Rosu | 1,019.15 mi (1,640.17 km) |
| Espoo to Otopeni | 1,083.28 mi (1,743.37 km) |
| Espoo to Ovidiu | 1,112.89 mi (1,791.02 km) |
