| Pasadena to Oerlinghausen | 5,169.45 mi (8,319.42 km) |
| Pasadena to Oestrich-Winkel | 5,210.03 mi (8,384.73 km) |
| Pasadena to Offenburg | 5,259.04 mi (8,463.60 km) |
| Pasadena to Oftersheim | 5,254.10 mi (8,455.66 km) |
| Pasadena to Ohrdruf | 5,285.86 mi (8,506.77 km) |
| Pasadena to Ohringen | 5,295.74 mi (8,522.67 km) |
| Pasadena to Olbernhau | 5,388.48 mi (8,671.92 km) |
| Pasadena to Olching | 5,402.31 mi (8,694.18 km) |
| Pasadena to Oldenburg | 5,113.68 mi (8,229.67 km) |
| Pasadena to Oldenburg in Holstein | 5,169.88 mi (8,320.12 km) |
| Pasadena to Olfen | 5,129.62 mi (8,255.33 km) |
| Pasadena to Olpe | 5,169.72 mi (8,319.86 km) |
| Pasadena to Olsberg | 5,183.26 mi (8,341.65 km) |
| Pasadena to Oranienburg | 5,307.80 mi (8,542.08 km) |
| Pasadena to Ortenberg | 5,238.68 mi (8,430.84 km) |
