| Guthrie to Orbetello | 5,405.75 mi (8,699.71 km) |
| Guthrie to Oria | 5,745.78 mi (9,246.94 km) |
| Guthrie to Oristano | 5,405.28 mi (8,698.96 km) |
| Guthrie to Orta Nova | 5,632.68 mi (9,064.91 km) |
| Guthrie to Orte | 5,451.56 mi (8,773.45 km) |
| Guthrie to Ortona | 5,535.59 mi (8,908.67 km) |
| Guthrie to Orvieto | 5,429.45 mi (8,737.86 km) |
| Guthrie to Orzinuovi | 5,230.33 mi (8,417.40 km) |
| Guthrie to Osimo | 5,449.80 mi (8,770.61 km) |
| Guthrie to Ospitaletto | 5,229.28 mi (8,415.71 km) |
| Guthrie to Ostuni | 5,732.99 mi (9,226.36 km) |
| Guthrie to Ottaviano | 5,605.70 mi (9,021.50 km) |
| Guthrie to Ovada | 5,211.37 mi (8,386.89 km) |
| Guthrie to Ozieri | 5,394.10 mi (8,680.96 km) |
| Guthrie to Paceco | 5,654.41 mi (9,099.90 km) |
