| Monserrat to Nasaud | 1,363.54 mi (2,194.40 km) |
| Monserrat to Navodari | 1,533.82 mi (2,468.44 km) |
| Monserrat to Negresti-Oas | 1,330.61 mi (2,141.41 km) |
| Monserrat to Nehoiu | 1,427.33 mi (2,297.07 km) |
| Monserrat to Ocna Mures | 1,323.89 mi (2,130.60 km) |
| Monserrat to Odobesti | 1,467.59 mi (2,361.86 km) |
| Monserrat to Odorheiu Secuiesc | 1,390.12 mi (2,237.19 km) |
| Monserrat to Oltenita | 1,435.17 mi (2,309.68 km) |
| Monserrat to Onesti | 1,458.45 mi (2,347.15 km) |
| Monserrat to Oradea | 1,247.25 mi (2,007.25 km) |
| Monserrat to Orastie | 1,285.05 mi (2,068.09 km) |
| Monserrat to Oravita | 1,201.89 mi (1,934.26 km) |
| Monserrat to Orsova | 1,232.22 mi (1,983.07 km) |
| Monserrat to Otelu Rosu | 1,240.31 mi (1,996.09 km) |
| Monserrat to Otopeni | 1,409.77 mi (2,268.81 km) |
