| Pasco to Oerlinghausen | 4,979.51 mi (8,013.75 km) |
| Pasco to Oestrich-Winkel | 5,074.05 mi (8,165.89 km) |
| Pasco to Offenburg | 5,159.10 mi (8,302.77 km) |
| Pasco to Oftersheim | 5,124.67 mi (8,247.36 km) |
| Pasco to Ohrdruf | 5,094.69 mi (8,199.11 km) |
| Pasco to Ohringen | 5,157.68 mi (8,300.49 km) |
| Pasco to Olbernhau | 5,165.56 mi (8,313.16 km) |
| Pasco to Olching | 5,260.99 mi (8,466.74 km) |
| Pasco to Oldenburg | 4,902.14 mi (7,889.23 km) |
| Pasco to Oldenburg in Holstein | 4,898.91 mi (7,884.03 km) |
| Pasco to Olfen | 4,961.83 mi (7,985.29 km) |
| Pasco to Olpe | 5,012.45 mi (8,066.77 km) |
| Pasco to Olsberg | 5,009.88 mi (8,062.62 km) |
| Pasco to Oranienburg | 5,041.18 mi (8,112.99 km) |
| Pasco to Ortenberg | 5,080.53 mi (8,176.32 km) |
