| Oulu to Ottendorf-Okrilla | 1,042.32 mi (1,677.46 km) |
| Oulu to Ottersberg | 1,000.44 mi (1,610.06 km) |
| Oulu to Ottobrunn | 1,277.05 mi (2,055.21 km) |
| Oulu to Ottweiler | 1,269.51 mi (2,043.08 km) |
| Oulu to Overath | 1,168.52 mi (1,880.54 km) |
| Oulu to Oyten | 1,005.42 mi (1,618.06 km) |
| Oulu to Paderborn | 1,092.89 mi (1,758.84 km) |
| Oulu to Papenburg | 1,038.07 mi (1,670.61 km) |
| Oulu to Parchim | 930.80 mi (1,497.97 km) |
| Oulu to Pasewalk | 889.62 mi (1,431.71 km) |
| Oulu to Passau | 1,218.50 mi (1,960.98 km) |
| Oulu to Pattensen | 1,039.83 mi (1,673.44 km) |
| Oulu to Pegnitz | 1,168.82 mi (1,881.03 km) |
| Oulu to Peine | 1,027.88 mi (1,654.22 km) |
| Oulu to Peissenberg | 1,303.85 mi (2,098.34 km) |
