| San Juan to Oerlinghausen | 4,578.08 mi (7,367.71 km) |
| San Juan to Oestrich-Winkel | 4,549.14 mi (7,321.13 km) |
| San Juan to Offenburg | 4,547.10 mi (7,317.85 km) |
| San Juan to Oftersheim | 4,575.71 mi (7,363.89 km) |
| San Juan to Ohrdruf | 4,668.37 mi (7,513.01 km) |
| San Juan to Ohringen | 4,617.22 mi (7,430.69 km) |
| San Juan to Olbernhau | 4,782.47 mi (7,696.65 km) |
| San Juan to Olching | 4,703.08 mi (7,568.87 km) |
| San Juan to Oldenburg | 4,559.90 mi (7,338.45 km) |
| San Juan to Oldenburg in Holstein | 4,669.31 mi (7,514.53 km) |
| San Juan to Olfen | 4,523.12 mi (7,279.25 km) |
| San Juan to Olpe | 4,541.92 mi (7,309.52 km) |
| San Juan to Olsberg | 4,570.15 mi (7,354.95 km) |
| San Juan to Oranienburg | 4,769.42 mi (7,675.64 km) |
| San Juan to Ortenberg | 4,595.60 mi (7,395.91 km) |
