| Olean to Arcos de Valdevez | 3,489.16 mi (5,615.26 km) |
| Olean to Arcozelo | 3,502.45 mi (5,636.65 km) |
| Olean to Arganil | 3,555.57 mi (5,722.13 km) |
| Olean to Arouca | 3,524.63 mi (5,672.35 km) |
| Olean to Arruda dos Vinhos | 3,546.09 mi (5,706.89 km) |
| Olean to Aveiro | 3,514.73 mi (5,656.42 km) |
| Olean to Aver-o-Mar | 3,485.96 mi (5,610.11 km) |
| Olean to Aves | 3,506.80 mi (5,643.64 km) |
| Olean to Azambuja | 3,553.01 mi (5,718.02 km) |
| Olean to Baiao | 3,527.48 mi (5,676.94 km) |
| Olean to Barcelos | 3,489.72 mi (5,616.16 km) |
| Olean to Barreiro | 3,556.12 mi (5,723.02 km) |
| Olean to Batalha | 3,537.91 mi (5,693.71 km) |
| Olean to Beja | 3,633.25 mi (5,847.15 km) |
| Olean to Belas | 3,542.86 mi (5,701.68 km) |
