| Salmon Creek to Orbetello | 5,718.81 mi (9,203.54 km) |
| Salmon Creek to Oria | 5,995.15 mi (9,648.25 km) |
| Salmon Creek to Oristano | 5,798.00 mi (9,330.98 km) |
| Salmon Creek to Orta Nova | 5,898.30 mi (9,492.39 km) |
| Salmon Creek to Orte | 5,747.61 mi (9,249.88 km) |
| Salmon Creek to Ortona | 5,804.36 mi (9,341.22 km) |
| Salmon Creek to Orvieto | 5,725.16 mi (9,213.76 km) |
| Salmon Creek to Orzinuovi | 5,510.68 mi (8,868.58 km) |
| Salmon Creek to Osimo | 5,713.39 mi (9,194.82 km) |
| Salmon Creek to Ospitaletto | 5,505.06 mi (8,859.55 km) |
| Salmon Creek to Ostuni | 5,979.55 mi (9,623.16 km) |
| Salmon Creek to Ottaviano | 5,897.34 mi (9,490.85 km) |
| Salmon Creek to Ovada | 5,522.17 mi (8,887.08 km) |
| Salmon Creek to Ozieri | 5,769.54 mi (9,285.17 km) |
| Salmon Creek to Paceco | 6,020.75 mi (9,689.46 km) |
