| Loveland to Orbetello | 5,466.55 mi (8,797.57 km) |
| Loveland to Oria | 5,788.68 mi (9,315.97 km) |
| Loveland to Oristano | 5,495.44 mi (8,844.06 km) |
| Loveland to Orta Nova | 5,679.71 mi (9,140.61 km) |
| Loveland to Orte | 5,506.85 mi (8,862.42 km) |
| Loveland to Ortona | 5,582.22 mi (8,983.72 km) |
| Loveland to Orvieto | 5,484.26 mi (8,826.07 km) |
| Loveland to Orzinuovi | 5,276.26 mi (8,491.33 km) |
| Loveland to Osimo | 5,493.16 mi (8,840.39 km) |
| Loveland to Ospitaletto | 5,273.52 mi (8,486.91 km) |
| Loveland to Ostuni | 5,774.66 mi (9,293.42 km) |
| Loveland to Ottaviano | 5,661.82 mi (9,111.83 km) |
| Loveland to Ovada | 5,268.20 mi (8,478.35 km) |
| Loveland to Ozieri | 5,477.70 mi (8,815.51 km) |
| Loveland to Paceco | 5,738.70 mi (9,235.55 km) |
