| Helsinki to Oschersleben | 768.91 mi (1,237.44 km) |
| Helsinki to Osnabruck | 842.91 mi (1,356.54 km) |
| Helsinki to Ostbevern | 861.18 mi (1,385.93 km) |
| Helsinki to Osterburg | 713.86 mi (1,148.85 km) |
| Helsinki to Ostercappeln | 834.26 mi (1,342.61 km) |
| Helsinki to Osterhofen | 922.75 mi (1,485.03 km) |
| Helsinki to Osterholz-Scharmbeck | 774.82 mi (1,246.95 km) |
| Helsinki to Osternienburg | 761.46 mi (1,225.45 km) |
| Helsinki to Osterode | 810.79 mi (1,304.84 km) |
| Helsinki to Osterwieck | 785.59 mi (1,264.28 km) |
| Helsinki to Ostfildern | 1,005.43 mi (1,618.09 km) |
| Helsinki to Osthofen | 972.91 mi (1,565.75 km) |
| Helsinki to Ostrhauderfehn | 814.81 mi (1,311.32 km) |
| Helsinki to Ostringen | 990.75 mi (1,594.46 km) |
| Helsinki to Oststeinbek | 719.01 mi (1,157.13 km) |
