| Nipomo to Orbetello | 6,276.66 mi (10,101.31 km) |
| Nipomo to Oria | 6,578.62 mi (10,587.27 km) |
| Nipomo to Oristano | 6,328.48 mi (10,184.70 km) |
| Nipomo to Orta Nova | 6,474.97 mi (10,420.47 km) |
| Nipomo to Orte | 6,311.75 mi (10,157.79 km) |
| Nipomo to Ortona | 6,378.56 mi (10,265.31 km) |
| Nipomo to Orvieto | 6,289.08 mi (10,121.29 km) |
| Nipomo to Orzinuovi | 6,076.45 mi (9,779.10 km) |
| Nipomo to Osimo | 6,287.92 mi (10,119.43 km) |
| Nipomo to Ospitaletto | 6,072.28 mi (9,772.39 km) |
| Nipomo to Ostuni | 6,563.71 mi (10,563.27 km) |
| Nipomo to Ottaviano | 6,465.28 mi (10,404.87 km) |
| Nipomo to Ovada | 6,077.72 mi (9,781.14 km) |
| Nipomo to Ozieri | 6,305.95 mi (10,148.44 km) |
| Nipomo to Paceco | 6,564.36 mi (10,564.32 km) |
