| Herriman to Orbetello | 5,699.91 mi (9,173.12 km) |
| Herriman to Oria | 6,009.75 mi (9,671.77 km) |
| Herriman to Oristano | 5,744.17 mi (9,244.35 km) |
| Herriman to Orta Nova | 5,903.92 mi (9,501.44 km) |
| Herriman to Orte | 5,736.91 mi (9,232.66 km) |
| Herriman to Ortona | 5,806.95 mi (9,345.39 km) |
| Herriman to Orvieto | 5,714.23 mi (9,196.16 km) |
| Herriman to Orzinuovi | 5,502.95 mi (8,856.14 km) |
| Herriman to Osimo | 5,716.76 mi (9,200.23 km) |
| Herriman to Ospitaletto | 5,499.29 mi (8,850.25 km) |
| Herriman to Ostuni | 5,995.16 mi (9,648.28 km) |
| Herriman to Ottaviano | 5,891.19 mi (9,480.95 km) |
| Herriman to Ovada | 5,500.90 mi (8,852.84 km) |
| Herriman to Ozieri | 5,723.13 mi (9,210.49 km) |
| Herriman to Paceco | 5,982.68 mi (9,628.20 km) |
