| Armthorpe to Opole | 827.08 mi (1,331.05 km) |
| Armthorpe to Orzesze | 873.86 mi (1,406.34 km) |
| Armthorpe to Osowa | 793.05 mi (1,276.30 km) |
| Armthorpe to Ostroda | 858.37 mi (1,381.42 km) |
| Armthorpe to Ostroleka | 930.59 mi (1,497.64 km) |
| Armthorpe to Ostrow Mazowiecka | 947.91 mi (1,525.51 km) |
| Armthorpe to Ostrow Wielkopolski | 800.17 mi (1,287.74 km) |
| Armthorpe to Ostrowiec Swietokrzyski | 962.70 mi (1,549.31 km) |
| Armthorpe to Ostrzeszow | 809.75 mi (1,303.16 km) |
| Armthorpe to Oswiecim | 896.11 mi (1,442.15 km) |
| Armthorpe to Otwock | 933.05 mi (1,501.59 km) |
| Armthorpe to Ozarow Mazowiecki | 912.16 mi (1,467.98 km) |
| Armthorpe to Ozimek | 838.35 mi (1,349.19 km) |
| Armthorpe to Ozorkow | 854.35 mi (1,374.94 km) |
| Armthorpe to Pabianice | 864.49 mi (1,391.26 km) |
