| Layton to Oerlinghausen | 5,091.12 mi (8,193.37 km) |
| Layton to Oestrich-Winkel | 5,171.62 mi (8,322.92 km) |
| Layton to Offenburg | 5,247.74 mi (8,445.43 km) |
| Layton to Oftersheim | 5,221.37 mi (8,402.98 km) |
| Layton to Ohrdruf | 5,209.11 mi (8,383.26 km) |
| Layton to Ohringen | 5,257.65 mi (8,461.37 km) |
| Layton to Olbernhau | 5,290.87 mi (8,514.83 km) |
| Layton to Olching | 5,364.09 mi (8,632.67 km) |
| Layton to Oldenburg | 5,018.51 mi (8,076.52 km) |
| Layton to Oldenburg in Holstein | 5,032.87 mi (8,099.62 km) |
| Layton to Olfen | 5,066.47 mi (8,153.69 km) |
| Layton to Olpe | 5,115.05 mi (8,231.88 km) |
| Layton to Olsberg | 5,117.22 mi (8,235.36 km) |
| Layton to Oranienburg | 5,176.84 mi (8,331.32 km) |
| Layton to Ortenberg | 5,184.84 mi (8,344.20 km) |
