| Avenal to Oerlinghausen | 5,617.43 mi (9,040.38 km) |
| Avenal to Oestrich-Winkel | 5,703.33 mi (9,178.62 km) |
| Avenal to Offenburg | 5,782.70 mi (9,306.35 km) |
| Avenal to Oftersheim | 5,753.48 mi (9,259.34 km) |
| Avenal to Ohrdruf | 5,734.55 mi (9,228.87 km) |
| Avenal to Ohringen | 5,788.66 mi (9,315.95 km) |
| Avenal to Olbernhau | 5,812.04 mi (9,353.57 km) |
| Avenal to Olching | 5,894.16 mi (9,485.73 km) |
| Avenal to Oldenburg | 5,542.80 mi (8,920.27 km) |
| Avenal to Oldenburg in Holstein | 5,549.79 mi (8,931.53 km) |
| Avenal to Olfen | 5,595.38 mi (9,004.90 km) |
| Avenal to Olpe | 5,644.82 mi (9,084.46 km) |
| Avenal to Olsberg | 5,645.22 mi (9,085.10 km) |
| Avenal to Oranienburg | 5,693.31 mi (9,162.50 km) |
| Avenal to Ortenberg | 5,714.12 mi (9,195.98 km) |
