| Merriam to Nasaud | 5,396.08 mi (8,684.15 km) |
| Merriam to Navodari | 5,683.77 mi (9,147.14 km) |
| Merriam to Negresti-Oas | 5,335.11 mi (8,586.03 km) |
| Merriam to Nehoiu | 5,555.29 mi (8,940.38 km) |
| Merriam to Ocna Mures | 5,422.49 mi (8,726.65 km) |
| Merriam to Odobesti | 5,558.93 mi (8,946.24 km) |
| Merriam to Odorheiu Secuiesc | 5,473.78 mi (8,809.20 km) |
| Merriam to Oltenita | 5,630.96 mi (9,062.15 km) |
| Merriam to Onesti | 5,524.16 mi (8,890.28 km) |
| Merriam to Oradea | 5,324.34 mi (8,568.70 km) |
| Merriam to Orastie | 5,427.10 mi (8,734.08 km) |
| Merriam to Oravita | 5,414.93 mi (8,714.48 km) |
| Merriam to Orsova | 5,454.93 mi (8,778.86 km) |
| Merriam to Otelu Rosu | 5,414.60 mi (8,713.96 km) |
| Merriam to Otopeni | 5,588.43 mi (8,993.70 km) |
