| Karlstad to Octeville | 903.15 mi (1,453.48 km) |
| Karlstad to Oignies | 741.80 mi (1,193.81 km) |
| Karlstad to Oissel | 851.82 mi (1,370.87 km) |
| Karlstad to Olivet | 923.89 mi (1,486.86 km) |
| Karlstad to Ollioules | 1,168.00 mi (1,879.72 km) |
| Karlstad to Olonne-sur-Mer | 1,086.05 mi (1,747.82 km) |
| Karlstad to Oloron-Sainte-Marie | 1,267.68 mi (2,040.13 km) |
| Karlstad to Onet Village | 1,133.52 mi (1,824.23 km) |
| Karlstad to Onnaing | 733.74 mi (1,180.85 km) |
| Karlstad to Orange | 1,114.49 mi (1,793.61 km) |
| Karlstad to Orchies | 736.01 mi (1,184.50 km) |
| Karlstad to Orleans | 921.33 mi (1,482.73 km) |
| Karlstad to Orly | 859.41 mi (1,383.08 km) |
| Karlstad to Ormesson-sur-Marne | 853.82 mi (1,374.09 km) |
| Karlstad to Orsay | 866.51 mi (1,394.51 km) |
