| Grimsby to Nasaud | 1,154.77 mi (1,858.43 km) |
| Grimsby to Navodari | 1,437.07 mi (2,312.74 km) |
| Grimsby to Negresti-Oas | 1,094.76 mi (1,761.85 km) |
| Grimsby to Nehoiu | 1,303.66 mi (2,098.04 km) |
| Grimsby to Ocna Mures | 1,166.17 mi (1,876.77 km) |
| Grimsby to Odobesti | 1,317.73 mi (2,120.69 km) |
| Grimsby to Odorheiu Secuiesc | 1,226.33 mi (1,973.58 km) |
| Grimsby to Oltenita | 1,368.99 mi (2,203.18 km) |
| Grimsby to Onesti | 1,287.09 mi (2,071.38 km) |
| Grimsby to Oradea | 1,063.58 mi (1,711.67 km) |
| Grimsby to Orastie | 1,161.53 mi (1,869.30 km) |
| Grimsby to Oravita | 1,137.11 mi (1,830.00 km) |
| Grimsby to Orsova | 1,177.84 mi (1,895.55 km) |
| Grimsby to Otelu Rosu | 1,142.26 mi (1,838.28 km) |
| Grimsby to Otopeni | 1,327.25 mi (2,136.01 km) |
