| Jaca to Nasaud | 1,258.08 mi (2,024.68 km) |
| Jaca to Navodari | 1,460.54 mi (2,350.52 km) |
| Jaca to Negresti-Oas | 1,217.76 mi (1,959.80 km) |
| Jaca to Nehoiu | 1,343.40 mi (2,162.00 km) |
| Jaca to Ocna Mures | 1,227.21 mi (1,975.00 km) |
| Jaca to Odobesti | 1,379.75 mi (2,220.50 km) |
| Jaca to Odorheiu Secuiesc | 1,295.60 mi (2,085.07 km) |
| Jaca to Oltenita | 1,364.54 mi (2,196.01 km) |
| Jaca to Onesti | 1,365.54 mi (2,197.63 km) |
| Jaca to Oradea | 1,140.44 mi (1,835.36 km) |
| Jaca to Orastie | 1,193.65 mi (1,921.00 km) |
| Jaca to Oravita | 1,118.57 mi (1,800.16 km) |
| Jaca to Orsova | 1,153.30 mi (1,856.05 km) |
| Jaca to Otelu Rosu | 1,151.88 mi (1,853.78 km) |
| Jaca to Otopeni | 1,334.22 mi (2,147.23 km) |
