| Douarnenez to Navodari | 1,584.15 mi (2,549.44 km) |
| Douarnenez to Negresti-Oas | 1,276.74 mi (2,054.71 km) |
| Douarnenez to Nehoiu | 1,453.56 mi (2,339.27 km) |
| Douarnenez to Ocna Mures | 1,320.13 mi (2,124.55 km) |
| Douarnenez to Odobesti | 1,479.71 mi (2,381.37 km) |
| Douarnenez to Odorheiu Secuiesc | 1,387.75 mi (2,233.37 km) |
| Douarnenez to Oltenita | 1,498.89 mi (2,412.23 km) |
| Douarnenez to Onesti | 1,456.12 mi (2,343.40 km) |
| Douarnenez to Oradea | 1,219.55 mi (1,962.67 km) |
| Douarnenez to Orastie | 1,300.13 mi (2,092.36 km) |
| Douarnenez to Oravita | 1,247.48 mi (2,007.63 km) |
| Douarnenez to Orsova | 1,287.55 mi (2,072.11 km) |
| Douarnenez to Otelu Rosu | 1,267.87 mi (2,040.44 km) |
| Douarnenez to Otopeni | 1,461.25 mi (2,351.66 km) |
| Douarnenez to Ovidiu | 1,582.97 mi (2,547.55 km) |
