| Federal Heights to Octeville | 4,703.76 mi (7,569.97 km) |
| Federal Heights to Oignies | 4,830.98 mi (7,774.71 km) |
| Federal Heights to Oissel | 4,813.36 mi (7,746.35 km) |
| Federal Heights to Olivet | 4,905.96 mi (7,895.38 km) |
| Federal Heights to Ollioules | 5,263.70 mi (8,471.10 km) |
| Federal Heights to Olonne-sur-Mer | 4,827.01 mi (7,768.33 km) |
| Federal Heights to Oloron-Sainte-Marie | 5,014.30 mi (8,069.74 km) |
| Federal Heights to Onet Village | 5,085.86 mi (8,184.90 km) |
| Federal Heights to Onnaing | 4,855.16 mi (7,813.62 km) |
| Federal Heights to Orange | 5,178.98 mi (8,334.76 km) |
| Federal Heights to Orchies | 4,839.30 mi (7,788.10 km) |
| Federal Heights to Orleans | 4,904.58 mi (7,893.16 km) |
| Federal Heights to Orly | 4,885.19 mi (7,861.96 km) |
| Federal Heights to Ormesson-sur-Marne | 4,888.51 mi (7,867.29 km) |
| Federal Heights to Orsay | 4,879.92 mi (7,853.47 km) |
