| Barstow to Nasaud | 6,279.01 mi (10,105.09 km) |
| Barstow to Navodari | 6,556.45 mi (10,551.59 km) |
| Barstow to Negresti-Oas | 6,220.68 mi (10,011.21 km) |
| Barstow to Nehoiu | 6,439.80 mi (10,363.86 km) |
| Barstow to Ocna Mures | 6,318.65 mi (10,168.88 km) |
| Barstow to Odobesti | 6,432.74 mi (10,352.50 km) |
| Barstow to Odorheiu Secuiesc | 6,358.20 mi (10,232.54 km) |
| Barstow to Oltenita | 6,524.09 mi (10,499.51 km) |
| Barstow to Onesti | 6,396.09 mi (10,293.51 km) |
| Barstow to Oradea | 6,230.13 mi (10,026.42 km) |
| Barstow to Orastie | 6,334.01 mi (10,193.60 km) |
| Barstow to Oravita | 6,342.19 mi (10,206.76 km) |
| Barstow to Orsova | 6,379.25 mi (10,266.41 km) |
| Barstow to Otelu Rosu | 6,331.78 mi (10,190.01 km) |
| Barstow to Otopeni | 6,482.46 mi (10,432.50 km) |
