| Oldham to Nasaud | 1,236.57 mi (1,990.06 km) |
| Oldham to Navodari | 1,518.00 mi (2,442.98 km) |
| Oldham to Negresti-Oas | 1,176.74 mi (1,893.77 km) |
| Oldham to Nehoiu | 1,384.47 mi (2,228.09 km) |
| Oldham to Ocna Mures | 1,246.86 mi (2,006.63 km) |
| Oldham to Odobesti | 1,399.22 mi (2,251.83 km) |
| Oldham to Odorheiu Secuiesc | 1,307.59 mi (2,104.36 km) |
| Oldham to Oltenita | 1,448.75 mi (2,331.53 km) |
| Oldham to Onesti | 1,368.86 mi (2,202.97 km) |
| Oldham to Oradea | 1,144.08 mi (1,841.21 km) |
| Oldham to Orastie | 1,241.26 mi (1,997.61 km) |
| Oldham to Oravita | 1,214.70 mi (1,954.87 km) |
| Oldham to Orsova | 1,255.55 mi (2,020.61 km) |
| Oldham to Otelu Rosu | 1,221.02 mi (1,965.04 km) |
| Oldham to Otopeni | 1,407.17 mi (2,264.62 km) |
