| Suisun City to Oerlinghausen | 5,533.17 mi (8,904.78 km) |
| Suisun City to Oestrich-Winkel | 5,623.63 mi (9,050.35 km) |
| Suisun City to Offenburg | 5,705.93 mi (9,182.80 km) |
| Suisun City to Oftersheim | 5,674.06 mi (9,131.52 km) |
| Suisun City to Ohrdruf | 5,649.35 mi (9,091.75 km) |
| Suisun City to Ohringen | 5,708.16 mi (9,186.40 km) |
| Suisun City to Olbernhau | 5,723.27 mi (9,210.72 km) |
| Suisun City to Olching | 5,812.62 mi (9,354.50 km) |
| Suisun City to Oldenburg | 5,457.02 mi (8,782.23 km) |
| Suisun City to Oldenburg in Holstein | 5,458.37 mi (8,784.40 km) |
| Suisun City to Olfen | 5,513.39 mi (8,872.95 km) |
| Suisun City to Olpe | 5,563.49 mi (8,953.57 km) |
| Suisun City to Olsberg | 5,562.34 mi (8,951.72 km) |
| Suisun City to Oranienburg | 5,601.27 mi (9,014.37 km) |
| Suisun City to Ortenberg | 5,632.21 mi (9,064.16 km) |
