| Colwyn Bay to Nasaud | 1,298.47 mi (2,089.68 km) |
| Colwyn Bay to Navodari | 1,578.58 mi (2,540.48 km) |
| Colwyn Bay to Negresti-Oas | 1,238.93 mi (1,993.86 km) |
| Colwyn Bay to Nehoiu | 1,444.95 mi (2,325.42 km) |
| Colwyn Bay to Ocna Mures | 1,307.25 mi (2,103.82 km) |
| Colwyn Bay to Odobesti | 1,460.62 mi (2,350.64 km) |
| Colwyn Bay to Odorheiu Secuiesc | 1,368.71 mi (2,202.73 km) |
| Colwyn Bay to Oltenita | 1,507.84 mi (2,426.64 km) |
| Colwyn Bay to Onesti | 1,430.68 mi (2,302.46 km) |
| Colwyn Bay to Oradea | 1,204.26 mi (1,938.07 km) |
| Colwyn Bay to Orastie | 1,300.43 mi (2,092.84 km) |
| Colwyn Bay to Oravita | 1,271.41 mi (2,046.13 km) |
| Colwyn Bay to Orsova | 1,312.36 mi (2,112.03 km) |
| Colwyn Bay to Otelu Rosu | 1,279.06 mi (2,058.45 km) |
| Colwyn Bay to Otopeni | 1,466.48 mi (2,360.07 km) |
