| South Portland to Wisbech | 3,173.54 mi (5,107.33 km) |
| South Portland to Wishaw | 2,957.42 mi (4,759.50 km) |
| South Portland to Witham | 3,212.01 mi (5,169.23 km) |
| South Portland to Witney | 3,126.33 mi (5,031.34 km) |
| South Portland to Woking | 3,175.54 mi (5,110.54 km) |
| South Portland to Wokingham | 3,160.90 mi (5,086.98 km) |
| South Portland to Wollaston | 3,084.72 mi (4,964.37 km) |
| South Portland to Wolverhampton | 3,083.58 mi (4,962.55 km) |
| South Portland to Wolverton | 3,147.74 mi (5,065.79 km) |
| South Portland to Wombourn | 3,082.55 mi (4,960.89 km) |
| South Portland to Wombwell | 3,094.15 mi (4,979.55 km) |
| South Portland to Wooburn | 3,163.15 mi (5,090.60 km) |
| South Portland to Wood Green | 3,186.15 mi (5,127.62 km) |
| South Portland to Woodhouse | 3,098.34 mi (4,986.29 km) |
| South Portland to Woodlesford | 3,087.36 mi (4,968.63 km) |
