| Oskarshamn to Oerlinghausen | 480.00 mi (772.49 km) |
| Oskarshamn to Oestrich-Winkel | 608.79 mi (979.75 km) |
| Oskarshamn to Offenburg | 702.88 mi (1,131.18 km) |
| Oskarshamn to Oftersheim | 633.82 mi (1,020.04 km) |
| Oskarshamn to Ohrdruf | 501.18 mi (806.57 km) |
| Oskarshamn to Ohringen | 626.26 mi (1,007.86 km) |
| Oskarshamn to Olbernhau | 473.04 mi (761.29 km) |
| Oskarshamn to Olching | 661.67 mi (1,064.85 km) |
| Oskarshamn to Oldenburg | 431.37 mi (694.22 km) |
| Oskarshamn to Oldenburg in Holstein | 297.73 mi (479.15 km) |
| Oskarshamn to Olfen | 527.69 mi (849.24 km) |
| Oskarshamn to Olpe | 554.12 mi (891.77 km) |
| Oskarshamn to Olsberg | 519.06 mi (835.35 km) |
| Oskarshamn to Oranienburg | 336.56 mi (541.64 km) |
| Oskarshamn to Ortenberg | 564.00 mi (907.66 km) |
