| Carol Stream to Octeville | 3,967.27 mi (6,384.70 km) |
| Carol Stream to Oignies | 4,118.23 mi (6,627.65 km) |
| Carol Stream to Oissel | 4,084.13 mi (6,572.78 km) |
| Carol Stream to Olivet | 4,167.80 mi (6,707.43 km) |
| Carol Stream to Ollioules | 4,506.22 mi (7,252.06 km) |
| Carol Stream to Olonne-sur-Mer | 4,065.57 mi (6,542.90 km) |
| Carol Stream to Oloron-Sainte-Marie | 4,233.22 mi (6,812.71 km) |
| Carol Stream to Onet Village | 4,324.30 mi (6,959.28 km) |
| Carol Stream to Onnaing | 4,143.99 mi (6,669.11 km) |
| Carol Stream to Orange | 4,424.29 mi (7,120.21 km) |
| Carol Stream to Orchies | 4,127.53 mi (6,642.62 km) |
| Carol Stream to Orleans | 4,166.76 mi (6,705.75 km) |
| Carol Stream to Orly | 4,155.88 mi (6,688.24 km) |
| Carol Stream to Ormesson-sur-Marne | 4,160.07 mi (6,694.99 km) |
| Carol Stream to Orsay | 4,149.47 mi (6,677.92 km) |
