| Portland to Kopavogur | 3,744.26 mi (6,025.80 km) |
| Portland to Reykjavik | 3,742.17 mi (6,022.43 km) |
| Portland to Saudharkrokur | 3,740.10 mi (6,019.11 km) |
| Portland to Selfoss | 3,774.07 mi (6,073.79 km) |
| Portland to An Cabhan | 4,583.20 mi (7,375.95 km) |
| Portland to Arklow | 4,677.19 mi (7,527.22 km) |
| Portland to Ashtown | 4,642.99 mi (7,472.18 km) |
| Portland to Athy | 4,643.84 mi (7,473.54 km) |
| Portland to Baile Atha Luain | 4,594.98 mi (7,394.91 km) |
| Portland to Ballincollig | 4,652.63 mi (7,487.69 km) |
| Portland to Blackrock | 4,651.08 mi (7,485.19 km) |
| Portland to Carlow | 4,653.55 mi (7,489.16 km) |
| Portland to Carrick on Shannon | 4,564.80 mi (7,346.34 km) |
| Portland to Carrigaline | 4,662.06 mi (7,502.86 km) |
| Portland to Castlebar | 4,534.52 mi (7,297.61 km) |
