| Andover to Nasaud | 1,191.99 mi (1,918.32 km) |
| Andover to Navodari | 1,464.28 mi (2,356.52 km) |
| Andover to Negresti-Oas | 1,134.40 mi (1,825.64 km) |
| Andover to Nehoiu | 1,330.84 mi (2,141.78 km) |
| Andover to Ocna Mures | 1,193.60 mi (1,920.91 km) |
| Andover to Odobesti | 1,350.62 mi (2,173.61 km) |
| Andover to Odorheiu Secuiesc | 1,257.96 mi (2,024.49 km) |
| Andover to Oltenita | 1,387.78 mi (2,233.41 km) |
| Andover to Onesti | 1,322.92 mi (2,129.04 km) |
| Andover to Oradea | 1,090.49 mi (1,754.98 km) |
| Andover to Orastie | 1,181.82 mi (1,901.95 km) |
| Andover to Oravita | 1,144.22 mi (1,841.44 km) |
| Andover to Orsova | 1,185.24 mi (1,907.47 km) |
| Andover to Otelu Rosu | 1,156.34 mi (1,860.95 km) |
| Andover to Otopeni | 1,347.45 mi (2,168.52 km) |
