| Pirkkala to Obernburg am Main | 977.70 mi (1,573.45 km) |
| Pirkkala to Obernkirchen | 836.04 mi (1,345.47 km) |
| Pirkkala to Oberschleissheim | 1,028.12 mi (1,654.59 km) |
| Pirkkala to Oberstdorf | 1,105.06 mi (1,778.41 km) |
| Pirkkala to Obertraubling | 971.88 mi (1,564.09 km) |
| Pirkkala to Obertshausen | 970.90 mi (1,562.51 km) |
| Pirkkala to Oberursel | 968.53 mi (1,558.71 km) |
| Pirkkala to Ochsenfurt | 969.57 mi (1,560.37 km) |
| Pirkkala to Ochsenhausen | 1,069.70 mi (1,721.51 km) |
| Pirkkala to Ochtrup | 887.61 mi (1,428.47 km) |
| Pirkkala to Odenthal | 954.95 mi (1,536.84 km) |
| Pirkkala to Oelde | 884.15 mi (1,422.90 km) |
| Pirkkala to Oelsnitz | 880.49 mi (1,417.00 km) |
| Pirkkala to Oer-Erkenschwick | 917.27 mi (1,476.21 km) |
| Pirkkala to Oerlinghausen | 863.96 mi (1,390.42 km) |
